US 11,768,007 B2
Sound attenuator integral with a housing of a terminal unit
Christian C. Herbeck, Largo, FL (US); Corey K. Vongsalay, Saint Petersburg, FL (US); Michael J. Salchert, New Port Richey, FL (US); and Tyler J. Williams, Seminole, FL (US)
Assigned to JOHNSON CONTROLS TYCO IP HOLDINGS LLP, Milwaukee, WI (US)
Filed by Johnson Controls Technology Company, Auburn Hills, MI (US)
Filed on Mar. 31, 2020, as Appl. No. 16/836,716.
Claims priority of provisional application 62/969,121, filed on Feb. 2, 2020.
Prior Publication US 2021/0239357 A1, Aug. 5, 2021
Int. Cl. F24F 13/24 (2006.01); G10K 11/00 (2006.01); F24F 13/20 (2006.01); F24F 11/88 (2018.01); F24F 11/89 (2018.01); F24F 13/072 (2006.01); F24F 13/08 (2006.01)
CPC F24F 11/88 (2018.01) [F24F 11/89 (2018.01); F24F 13/072 (2013.01); F24F 13/082 (2013.01); F24F 13/24 (2013.01); G10K 11/002 (2013.01); F24F 2013/088 (2013.01); F24F 2013/205 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A terminal unit of a heating, ventilation, and/or air conditioning (HVAC) system, comprising:
a housing having a first panel bordering a return airflow path, a second panel bordering an additional airflow path, a third panel extending from the first panel to the second panel, and a fourth panel opposing the third panel and extending from the first panel to the second panel;
a separating wall disposed between and bordering the return airflow path and the additional airflow path;
a gap extending from an end of the separating wall and to the fourth panel;
a return air inlet formed in the third panel and fluidly coupled with the return airflow path;
a conditioned air inlet formed in the housing and fluidly coupled with the additional airflow path, wherein the gap is positioned between the return air inlet and the conditioned air inlet;
an air outlet formed in the third panel; and
a sound attenuator formed by the first panel and the separating wall.